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Covalent Bonding and Lewis Structures (5B) Practice Test
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Q1
A laboratory evaluates phosphorus pentachloride (PCl$_5$) as a chlorinating agent under anhydrous conditions. A Lewis structure with P central and five P–Cl single bonds (no lone pairs on P) is consistent with experimental stoichiometry; phosphorus is a third-row element and can have an expanded valence shell. Based on the Lewis structure, what prediction can be made regarding the molecular shape of PCl$_5$ in the gas phase?
A laboratory evaluates phosphorus pentachloride (PCl$_5$) as a chlorinating agent under anhydrous conditions. A Lewis structure with P central and five P–Cl single bonds (no lone pairs on P) is consistent with experimental stoichiometry; phosphorus is a third-row element and can have an expanded valence shell. Based on the Lewis structure, what prediction can be made regarding the molecular shape of PCl$_5$ in the gas phase?